src/MlpObjectives.hpp

#ifndef MLPOBJECTIVES_HPP_
#define MLPOBJECTIVES_HPP_

#include<string>
#include<vector>

using namespace std;

#include "Objectives.hpp"

namespace okind{
    enum MlpObjKind : int {
        None = 0,
        cwmse = 1<<1,
        cwmee = 1<<2,
        cwmae = 1<<3,
        cwerr = 1<<4,
        mse   = 1<<5,
        mee   = 1<<6,
        mae   = 1<<7,
        err   = 1<<8,
        mincwmse= 1<<9,
        mincwmee= 1<<10,
        mincwmae= 1<<11,
        mincwe= 1<<12,
        msw   = 1<<13,
        mswnb = 1<<14,
        maw   = 1<<15,
        mawnb = 1<<16,
        nhid  = 1<<17,
        nnzw  = 1<<18,
        ninput= 1<<19,
        vsmse = 1<<20,
        vsmee = 1<<21,
        vsmae = 1<<22,
        vserr = 1<<23,
    };
}
using okind::MlpObjKind;

/* Operators for the MLP objective types. */
inline MlpObjKind operator|(MlpObjKind a, MlpObjKind b){
    return static_cast<MlpObjKind>(static_cast<int>(a)
                                   | static_cast<int>(b));}
inline MlpObjKind operator&(MlpObjKind a, MlpObjKind b){
    return static_cast<MlpObjKind>(static_cast<int>(a)
                                   & static_cast<int>(b));}
/* ... took the above from
 * http://stackoverflow.com/questions/1448396/
 */
namespace okind{
    inline
    bool needsClasswiseEvaluation(MlpObjKind k){
        return k & (cwmse|cwmee|cwmae|cwerr|mincwmse|mincwmee|mincwmae|mincwe);
    }
}


string mnemonic(MlpObjKind k);

class MlpObjectives : public Objectives {
protected:
    size_t _nobj;
    vector<string> _objname;
    MlpObjKind _evokinds;

protected:
    void addKindIfInList(const vector<string> & spl, MlpObjKind k, size_t nclasses);

public:
    MlpObjectives() = delete;
    MlpObjectives(const string & defstr, size_t nclasses);
    virtual size_t nobj() const;
    virtual string name(size_t ind) const;
    MlpObjKind kinds() const;
    //virtual string symbol(size_t ind) const;
};

#endif

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